32 lines
648 B
Bash
Executable File
32 lines
648 B
Bash
Executable File
#!/bin/sh
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# update-dns.sh
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# 从 /private/argus/etc/dns.conf 读取 IP，写入 /etc/resolv.conf
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DNS_CONF="/private/argus/etc/dns.conf"
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RESOLV_CONF="/etc/resolv.conf"
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# 检查配置文件是否存在
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if [ ! -f "$DNS_CONF" ]; then
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echo "配置文件不存在: $DNS_CONF" >&2
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exit 1
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fi
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# 生成 resolv.conf 内容
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{
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while IFS= read -r ip; do
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# 跳过空行和注释
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case "$ip" in
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\#*) continue ;;
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"") continue ;;
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esac
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echo "nameserver $ip"
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done < "$DNS_CONF"
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} > "$RESOLV_CONF".tmp
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# 替换写入 /etc/resolv.conf
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cat "$RESOLV_CONF".tmp > "$RESOLV_CONF"
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rm -f "$RESOLV_CONF".tmp
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echo "已更新 $RESOLV_CONF"
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